export const forceReflow = (element: HTMLElement): number => element.offsetHeight; export const isVisible = (element: HTMLElement): boolean => { if (!element || element.getClientRects().length === 0) { return false; } if ( element instanceof HTMLElement && element.style && element.parentNode && element.parentNode instanceof HTMLElement && element.parentNode.style ) { const elementStyle = getComputedStyle(element); const parentNodeStyle = getComputedStyle(element.parentNode); return ( getComputedStyle(element).getPropertyValue("visibility") === "visible" || (elementStyle.display !== "none" && parentNodeStyle.display !== "none" && elementStyle.visibility !== "hidden") ); } return false; };